After careful observation of the picture, I have determined he looks pretty happy. He appears to be basking in the glow of our country in a meltdown which he helped to speed up. So after much consideration of the photo, I believe he was singing "Nah nah nah nah, nah nah nah nah, hey hey hey, good bye," as he is offering the gay smile on his face watching capitalism and the American dreams slide down the drain like a big shit sandwich.